EP0394821A3 - Soupape pour moteur à engrenage à denture intérieure - Google Patents

Soupape pour moteur à engrenage à denture intérieure Download PDF

Info

Publication number
EP0394821A3
EP0394821A3 EP19900107337 EP90107337A EP0394821A3 EP 0394821 A3 EP0394821 A3 EP 0394821A3 EP 19900107337 EP19900107337 EP 19900107337 EP 90107337 A EP90107337 A EP 90107337A EP 0394821 A3 EP0394821 A3 EP 0394821A3
Authority
EP
European Patent Office
Prior art keywords
valve
spool
fluid pressure
pressure
relatively
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19900107337
Other languages
German (de)
English (en)
Other versions
EP0394821B1 (fr
EP0394821A2 (fr
Inventor
Sohan Lal Uppal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eaton Corp
Original Assignee
Eaton Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP0394821A2 publication Critical patent/EP0394821A2/fr
Publication of EP0394821A3 publication Critical patent/EP0394821A3/fr
Application granted granted Critical
Publication of EP0394821B1 publication Critical patent/EP0394821B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/103—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member one member having simultaneously a rotational movement about its own axis and an orbital movement
    • F04C2/104—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member one member having simultaneously a rotational movement about its own axis and an orbital movement having an articulated driving shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86638—Rotary valve
    • Y10T137/86646—Plug type
    • Y10T137/86654—For plural lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Sliding Valves (AREA)
EP19900107337 1989-04-24 1990-04-18 Soupape pour moteur à engrenage à denture intérieure Expired - Lifetime EP0394821B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/342,424 US4992034A (en) 1989-04-24 1989-04-24 Low-speed, high-torque gerotor motor and improved valving therefor
US342424 1989-04-24

Publications (3)

Publication Number Publication Date
EP0394821A2 EP0394821A2 (fr) 1990-10-31
EP0394821A3 true EP0394821A3 (fr) 1991-07-10
EP0394821B1 EP0394821B1 (fr) 1993-07-07

Family

ID=23341765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900107337 Expired - Lifetime EP0394821B1 (fr) 1989-04-24 1990-04-18 Soupape pour moteur à engrenage à denture intérieure

Country Status (6)

Country Link
US (1) US4992034A (fr)
EP (1) EP0394821B1 (fr)
JP (1) JP2936490B2 (fr)
CN (1) CN1022127C (fr)
DE (1) DE69002119T2 (fr)
DK (1) DK0394821T3 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE120257T1 (de) * 1990-05-12 1995-04-15 Concentric Pumps Ltd Gerotorpumpen.
EP0544209A1 (fr) * 1991-11-25 1993-06-02 Eaton Corporation Réduction et extension de cannelure pour un élément auxiliaire d'entraînement
US5228846A (en) * 1991-11-25 1993-07-20 Eaton Corporation Spline reduction extension for auxilliary drive component
US5505597A (en) * 1993-12-06 1996-04-09 White Hydraulics, Inc. Pressure tolerant balanced motor valve
US5788471A (en) * 1996-06-11 1998-08-04 Eaton Corporation Spool valve wheel motor
US5797734A (en) * 1996-11-26 1998-08-25 Chrysler Corporation Pump for hot and cold fluids
US6033195A (en) * 1998-01-23 2000-03-07 Eaton Corporation Gerotor motor and improved spool valve therefor
DE10360172C5 (de) * 2003-12-20 2006-11-23 Sauer-Danfoss Aps Hydraulischer Motor
JP2012052584A (ja) * 2010-08-31 2012-03-15 Okubo Gear Co Ltd カムモータおよびカムモータ減速装置
DE102013111098B3 (de) * 2013-10-08 2014-11-13 4-QM hydraulics GmbH Strömungsmaschine
US9836066B2 (en) * 2014-07-16 2017-12-05 Caterpillar Inc. Vortex diffuser for rotating/stationary interfaces
US10590771B2 (en) 2014-11-17 2020-03-17 Eaton Intelligent Power Limited Rotary fluid pressure device with drive-in-drive valve arrangement
CN111456982A (zh) * 2020-03-31 2020-07-28 约拜科斯保加利亚有限公司 一种精密液压辊、液压电机、低速高扭矩液压系统

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270681A (en) * 1964-11-18 1966-09-06 Germane Corp Rotary fluid pressure device
US3425448A (en) * 1966-07-01 1969-02-04 Char Lynn Co Fluid pressure balanced valve
US3572983A (en) * 1969-11-07 1971-03-30 Germane Corp Fluid-operated motor
DE1553061A1 (de) * 1965-07-09 1971-06-09 Germane Corp Drehkolbenmaschine
FR2182527A5 (fr) * 1972-04-26 1973-12-07 Danfoss As
US3869228A (en) * 1973-05-21 1975-03-04 Eaton Corp Axial pressure balancing means for a hydraulic device
US3905728A (en) * 1974-04-17 1975-09-16 Eaton Corp Rotary fluid pressure device and pressure relief system therefor
DE1728617A1 (de) * 1966-07-09 1977-02-24 Trw Inc Rotationskolbenmaschine
EP0148589A2 (fr) * 1984-01-11 1985-07-17 Eaton Corporation Moteur à basse vitesse et couple élévé avec démultiplicateur à engrenages
US4762479A (en) * 1987-02-17 1988-08-09 Eaton Corporation Motor lubrication with no external case drain

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956512A (en) * 1957-05-02 1960-10-18 Robert W Brundage Hydraulic pump or motor
US3309999A (en) * 1965-06-21 1967-03-21 Char Lynn Co Drive mechanism for gerotor gear set
US3270683A (en) * 1965-08-04 1966-09-06 Char Lynn Co Porting arrangement for balancing valve of fluid pressure device
US3389618A (en) * 1966-05-11 1968-06-25 Char Lynn Co Torque transmitting device
US3477379A (en) * 1968-01-16 1969-11-11 Lamina Inc Composite fluid pressure pump or motor casing body and method of making the same
US3547564A (en) * 1968-12-31 1970-12-15 Germane Corp Fluid operated motor
US4818200A (en) * 1985-08-06 1989-04-04 White Hollis Newcomb Jun Hydrostatic steering device having the control valve within the rotor

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270681A (en) * 1964-11-18 1966-09-06 Germane Corp Rotary fluid pressure device
DE1553061A1 (de) * 1965-07-09 1971-06-09 Germane Corp Drehkolbenmaschine
US3425448A (en) * 1966-07-01 1969-02-04 Char Lynn Co Fluid pressure balanced valve
DE1728617A1 (de) * 1966-07-09 1977-02-24 Trw Inc Rotationskolbenmaschine
US3572983A (en) * 1969-11-07 1971-03-30 Germane Corp Fluid-operated motor
FR2182527A5 (fr) * 1972-04-26 1973-12-07 Danfoss As
US3869228A (en) * 1973-05-21 1975-03-04 Eaton Corp Axial pressure balancing means for a hydraulic device
US3905728A (en) * 1974-04-17 1975-09-16 Eaton Corp Rotary fluid pressure device and pressure relief system therefor
EP0148589A2 (fr) * 1984-01-11 1985-07-17 Eaton Corporation Moteur à basse vitesse et couple élévé avec démultiplicateur à engrenages
US4762479A (en) * 1987-02-17 1988-08-09 Eaton Corporation Motor lubrication with no external case drain

Also Published As

Publication number Publication date
CN1022127C (zh) 1993-09-15
US4992034A (en) 1991-02-12
EP0394821B1 (fr) 1993-07-07
DE69002119D1 (de) 1993-08-12
DK0394821T3 (da) 1993-08-23
DE69002119T2 (de) 1993-10-14
JPH02301676A (ja) 1990-12-13
EP0394821A2 (fr) 1990-10-31
JP2936490B2 (ja) 1999-08-23
CN1046779A (zh) 1990-11-07

Similar Documents

Publication Publication Date Title
US3289542A (en) Hydraulic motor or pump
KR930000939B1 (ko) 로우터리 유체 압력장치
EP0394821A3 (fr) Soupape pour moteur à engrenage à denture intérieure
EP0116217B1 (fr) Moteur à engrenages internes pour deux vitesses
US4747744A (en) Magnetic drive gerotor pump
US5215165A (en) Oil pump
US4909714A (en) Pressure balanced external gear pump or motor of floating shaft type
EP0284393B1 (fr) Transmission hydraulique
US4277230A (en) Gear machine operable as pump or motor with axially spaced and circumferentially offset pair of gears
CA1312781C (fr) Plateau de distribution rotatif pour machine a engrenages interieurs
US5100310A (en) Gerotor motor and improved valve drive therefor
US4082480A (en) Fluid pressure device and improved Geroler® for use therein
CA1318549C (fr) Machine a engrenages internes munie d'un carter renforce
ES2103579T3 (es) Bomba rotativa de engranajes, compacta.
US6030194A (en) Gerotor motor and improved valve drive and brake assembly therefor
ES8703595A1 (es) Accionamiento hidrostatico para ruedas.
IE893087L (en) Gerotor pump
US3444819A (en) Hydraulic motors and pumps
KR970005854B1 (ko) 게로터 펌프
US4432709A (en) Internally shafted planetary piston engine
CA2046376A1 (fr) Pompes a rotor dente
SU1476196A1 (ru) Одновинтова гидромашина
EP0926043A2 (fr) Dispositif de direction à génération de couple amélioré
US4848933A (en) Rotary mounting for mounting a gear wheel relative to a frame
RU2072458C1 (ru) Вариатор скорости

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE DK FR GB IT

RHK1 Main classification (correction)

Ipc: F04C 2/10

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE DK FR GB IT

17P Request for examination filed

Effective date: 19910923

17Q First examination report despatched

Effective date: 19911127

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE DK FR GB IT

ITF It: translation for a ep patent filed

Owner name: ING. C. GREGORJ S.P.A.

REF Corresponds to:

Ref document number: 69002119

Country of ref document: DE

Date of ref document: 19930812

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20050314

Year of fee payment: 16

Ref country code: DK

Payment date: 20050314

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20050401

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20050429

Year of fee payment: 16

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060418

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060430

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060501

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061101

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20060418

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20061230

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070418